A group of ethnography students meet the enigmatic Mruk family while doing an internship at the Świętokrzyskie Mountains.
| Actor | Role |
|---|---|
| IIwona BiernackaMrukówna | Mrukówna |
| GGrażyna DługołęckaLena Zasada | Lena Zasada |
| UUrszula GawryśKrystyna Walewska | Krystyna Walewska |
| WWanda GrzeczkowskaZofia Znajda | Zofia Znajda |
| MMaria HornikMrukowa | Mrukowa |
| SStanisław BąkMruk | Mruk |
 Marek FrąckowiakMichał | Michał |
 Maciej GórajJanusz | Janusz |
 Edward KusztalWorker | Worker |
 Zdzisław LeśniakAcademic | Academic |
 Zofia MrozowskaProfessor | Professor |
 Tadeusz KwintaPostman | Postman |
 Jerzy Zygmunt NowakVillage Man | Village Man |
 Włodzimierz SkoczylasPriest | Priest |
| WWojciech Grzegorczyk-PoniewierkaOld Mruk (uncredited) | Old Mruk (uncredited) |
 Krzysztof KrauzeRomeo (uncredited) | Romeo (uncredited) |